'The deal was brokered by two people who have absolutely no interest in wine and only commercial interest in mind,’..................does this compromise the integrity of the information/advice/reviews provided?

The two people who brokered the deal are commercial bankers who allegedly got $5 million for their efforts, which are now concluded and -- the deal done -- their connection to the deal is now finished. Since they have no involvement in anything EXCEPT making sure the papers were signed correctly, how could it compromise ANYTHING???

Now, Parker has said they won't accept any advertising connected in any way to wine. (I'm too tired to look up the exact quote, but it's in one of the Decanter or Bloomberg articles.) Does that mean they won't accept any advertising for Givenchy? or Louis Vuitton? What about Tag Heuer?or Hublot?